@book{2000-okamoto ,title={{Advances in cryptology: ASIACRYPT 2000}} ,booktitle={{Advances in cryptology: ASIACRYPT 2000}} ,editor={Tatsuaki Okamoto} ,ISBN={3--540--41404--5} ,MR={2002d:94046} ,publisher={Springer} ,address={Berlin} ,series={Lecture Notes in Computer Science} ,volume={1976} ,year={2000} }